Siemens SITRANS Probe LU Operating Instructions Manual page 22

2. Connect the wires to the terminals as shown below: the polarity is identified on the
terminal block.
3. Tighten the gland to form a good seal.
4. Close the cover and tighten screws: please do not overtighten screws.
Recommended torque is 1.1 to 1.7 N-m (10 to 15 in-lb).
If the lid gasket is noticeably dry, applying a silicone grease can improve the
Note:
sealing function.
Page 16 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695